traffic in virginia has been terrible today. let us put it that way. >>> coming up, lighting is about to get even more expensive. -- flying is about to get ev more expensive. >> house stem cells could help people waiting for a transplant. >> members of the air guard returned from iraq. >>> about 60,000 americans had advanced heart failure and could be eligible for a transplant. >> each year, only about 2000 parts are available. maureen bunyan on your side with what is being done to help. >> the newest idea is the use of stem cells. at age 44, ronald's life changed forever. >> in 2003, i had a heart attack. i was tired all the time, out of breath. i could not really do anything. >> for seven years, his heart has deteriorated. he is on the heart transplant list. the number of available parts is limited in the process can be lengthy. until then, doctors at washington hospital center implanted a device to help his heart pump. the also injected his heart with stem cells as part of a new nationwide clinical trial to test the safety of